63% (1993)

76% (2000)

34% (2010)

78% (2010)

76% (2009)

71% (1998)

73% (2004)

73% (2002)

73% (1996)

48% (2012)

77% (1993)

64% (1999)

69% (2001)

68% (2000)

82% (1999)

76% (1994)

66% (1996)

71% (1998)

0% (1993)

73% (2003)